(19)
(11) EP 1 343 054 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
20.12.2006 Bulletin 2006/51

(43) Date of publication A2:
10.09.2003 Bulletin 2003/37

(21) Application number: 03005002.5

(22) Date of filing: 05.03.2003
(51) International Patent Classification (IPC): 
G03G 15/00(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 08.03.2002 JP 2002064318

(71) Applicant: CANON KABUSHIKI KAISHA
Ohta-ku, Tokyo (JP)

(72) Inventors:
  • Koga, Hiroto
    Ohta-ku, Tokyo (JP)
  • Kawata, Wataru
    Ohta-ku, Tokyo (JP)

(74) Representative: TBK-Patent 
Bavariaring 4-6
80336 München
80336 München (DE)

   


(54) Image forming apparatus


(57) An image forming apparatus (16) which includes: an image forming apparatus main body (10a) provided with an image forming portion for forming an image on a sheet; an upstream-side sheet feed unit (400a) which is juxtaposed to the image forming apparatus main body and feeds a sheet contained therein to the image forming portion; a sheet treatment portion (500) for treating a sheet fed thereto; and a downstream-side sheet feed unit (400) which is juxtaposed between the image forming apparatus main body and the sheet treatment portion and feeds a sheet contained therein to the sheet treatment portion, in which each of the upstream-side sheet feed unit and the downstream-side sheet feed unit is selectively attachable to the image forming apparatus main body, and the upstream-side sheet feed unit and the downstream-side sheet feed unit have the same construction.







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